Torque Specs For Cummins 6CTA

April 5, 2023

CYLINDER HEAD POST 1991 ( New Capscrews)

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
NEW CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS) N/A 95 N•M [ 70 FT-LB ]

NEW CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS)	N/A	95  N•M [ 70 FT-LB ]

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
NEW CYLINDER HEAD LONG CAPSCREWS ( 14 LONG CAPSCREWS) N/A 145 N•M [ 107 FT-LB ]

NEW CYLINDER HEAD LONG CAPSCREWS ( 14 LONG CAPSCREWS)	N/A	145  N•M [ 107 FT-LB ]

 

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS EXHAUST SIDE) N/A 105 N•M [ 77 FT-LB ]

NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS EXHAUST SIDE)	N/A	 105  N•M [ 77 FT-LB ]

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS INTAKE SIDE) N/A 95 N•M [ 70 FT-LB ]

 

NEW CYLINDER HEAD SHORT CAPSCREWS (6 SHORT CAPSCREWS INTAKE SIDE) 	N/A	95  N•M [ 70 FT-LB ]

 

CYLINDER HEAD POST 1991 (Used Capscrews)

 

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
USED CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS) N/A 70 N•M [ 52 FT-LB ]

USED CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS)	N/A	70 N•M [ 52 FT-LB ]

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
USED CYLINDER HEAD LONG CAPSCREWS ( 14 LONG CAPSCREWS) N/A 145 N•M [ 107 FT-LB ]

USED CYLINDER HEAD LONG CAPSCREWS ( 14 LONG CAPSCREWS)	N/A	145 N•M [ 107 FT-LB ]

 

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
USED CYLINDER HEAD SHORT CAPSCREWS (12 SHORT CAPSCREWS ON EXHAUST AND INTAKE SIDE, NUMBERS 3, 4, 5, 6, 11, 12, 13, 14, 19, 20, 21, & 22) N/A 70 N•M [ 52 FT-LB ]

USED CYLINDER HEAD SHORT CAPSCREWS (12 SHORT CAPSCREWS ON EXHAUST AND INTAKE SIDE, NUMBERS 3, 4, 5, 6, 11, 12, 13, 14, 19, 20, 21, & 22)	N/A	70 N•M [ 52 FT-LB ]

 

CYLINDER HEAD PRE 1991

 

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS) N/A 1. 40 N•M [ 30 FT-LB ]
2. 150 N•M [ 111 FT-LB ]
3. 220 N•M [ 162 FT-LB ]

CYLINDER HEAD CAPSCREWS (ALL 26 CAPSCREWS)	N/A	"1. 40  N•M [ 30 FT-LB ] 2. 150  N•M [ 111 FT-LB ] 3. 220  N•M [ 162 FT-LB ]"

PISTON & CONNECTING ROD ASSEMBLY

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
CONNECTING ROD NUTS N/A 1. 30 N•M [ 22 FT-LB ]
2. 70 N•M [ 52 FT-LB ]
3. 60 DEGREE TURN.

CONNECTING ROD NUTS	N/A	"1. 30  N•M [ 22 FT-LB ] 2. 70  N•M [ 52 FT-LB ] 3. 60 DEGREE TURN."

 

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
CONNECTING ROD CAPSCREWS N/A 1. 30 N•M [ 22 FT-LB ]
2. 70 N•M [ 52 FT-LB ]
3. 90 DEGREE TURN.

CONNECTING ROD CAPSCREWS	N/A	"1. 30  N•M [ 22 FT-LB ] 2. 70  N•M [ 52 FT-LB ] 3. 90 DEGREE TURN."

CRANKSHAFT

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
CRANKSHAFT CAPSCREWS (INITIAL TORQUE) N/A 50 N•M [ 37 FT-LB ]

CRANKSHAFT BEARING CAPSCREWS (INITIAL)

PART/MATERIAL/COLOR LENGTH TORQUE VALUE IN NM [ FT-LB ]
CRANKSHAFT CAPSCREWS (INITIAL TORQUE) N/A 1. 50 N.M [37 FT-LB]
2. 95 N.M [70 FT-LB]
3. 60° TURN.

CRANKSHAFT CAPSCREWS (INITIAL TORQUE)	N/A	"1. 50 N.M   [37 FT-LB] 2. 95 N.M   [70 FT-LB] 3. 60° TURN. "

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